Research Article
Research on Dynamic Programming Strategy of Bayesian Network Structure Learning
Table 5
Accuracy comparison between three algorithms under standard network data sets.
| BNs | Nodes | Edges | Tns | Sample sizes | DFSDP | CBDP | BFSDP |
| Weather | 4 | 4 | 8 | 1000 | −984.7736 | −984.7736 | −984.7736 | 2000 | −3.79e + 003 | −3.79e + 003 | −3.79e + 003 | 5000 | −9.57e + 003 | −9.57e + 003 | −9.57e + 003 | 10000 | −1.91e + 004 | −1.91e + 004 | −1.91e + 004 |
| Cancer | 5 | 4 | 10 | 1000 | −1.04e + 003 | −1.04e + 003 | −1.04e + 003 | 2000 | −4.18e + 003 | −4.18e + 003 | −4.18e + 003 | 5000 | −1.04e + 004 | −1.04e + 004 | −1.04e + 004 | 10000 | −2.10e + 004 | −2.10e + 004 | −2.10e + 004 |
| Earthquake | 5 | 4 | 10 | 1000 | −191.4748 | −199.6867 | −191.4748 | 2000 | −905.1324 | −905.1324 | −905.1324 | 5000 | −2.23e + 003 | −2.23e + 003 | −2.23e + 003 | 10000 | −4.42e + 003 | −4.42e + 003 | −4.42e + 003 |
| Survey | 6 | 6 | 14 | 1000 | −2.00e + 003 | −2.00e + 003 | −2.00e + 003 | 2000 | −8.05e + 003 | −8.05e + 003 | −8.05e + 003 | 5000 | −2.00e + 004 | −2.00e + 004 | −2.00e + 004 | 10000 | −3.95e + 004 | −3.95e + 004 | −3.95e + 004 |
| Asia | 8 | 8 | 16 | 1000 | −1.10e + 003 | −1.11e + 003 | −1.10e + 003 | 2000 | −4.55e + 003 | −4.55e + 003 | −4.55e + 003 | 5000 | −1.11e + 004 | −1.11e + 004 | −1.11e + 004 | 10000 | −2.25e + 004 | −2.25e + 004 | −2.25e + 004 |
| Sachs | 11 | 17 | 33 | 1000 | −3.87e + 003 | −5.68e + 003 | −3.87e + 003 | 2000 | −1.46e + 004 | −1.83e + 004 | −1.46e + 004 | 5000 | −3.60e + 004 | 4.12e + 004 | −3.60e + 004 | 10000 | −7.20e + 004 | 8.00e + 004 | −7.20e + 004 |
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